[X86] Remove the 'Requires' In64BitMode/Not64BitMode from the LWP instructions.
[X86] Remove the 'Requires' In64BitMode/Not64BitMode from the LWP instructions.

These aren't doing anything due to a top level "let Predicates =". I think the GR32/GR64 register class protects these anyway.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@320844 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,apple/swift-llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm